♂ m

A sharp-tongued delinquent and the only male in the group. Sickness: Hematophilia: Sexual arousal derived from seeing, smelling, and/or consuming blood. After his "switch" is flipped, he loses control of himself and just craves blood. He pretends to be rough and tough, but in reality he's a sen... read more

A sharp-tongued delinquent and the only male in the group. Sickness: Hematophilia: Sexual arousal derived from seeing, smelling, and/or consuming blood. After his "switch" is flipped, he loses control of himself and just craves blood. He pretends to be rough and tough, but in reality he's a sensitive and kind person. Driven by loneliness and the the wish to not hurt anyone, he decided to commit suicide. After reconciling with his sister, he decides against committing suicide and finally chooses to live. His "sickness" was induced artificially by Kozue Benika. His real name is Amashiro Tagui (天城 類).

♀ f

A young Shinigami-girl who loves sweets. She came from the "Demon World" to reap human souls and is accompanied by her loyal servant, Dracolius. Sickness: Coprolalia: Sexual arousal caused by saying and hearing obscene words. After losing both parents and inheriting a fortune, she lost the warm... read more

A young Shinigami-girl who loves sweets. She came from the "Demon World" to reap human souls and is accompanied by her loyal servant, Dracolius. Sickness: Coprolalia: Sexual arousal caused by saying and hearing obscene words. After losing both parents and inheriting a fortune, she lost the warmth of loved ones and any need to strive for anything. Being so young, she can start over as many times as she wants. Now she can live both supported by her new friends and for the sake of helping them in return.

♀ f

A cheerful girl who loves the stars. She suffers from a terminal illness and has escaped from the hospital to go on the trip. Her star-shaped necklace has only one day's worth of medicine for her condition. Sickness: Autassassinophilia: Sexual arousal derived from fear; the more she's scared, the... read more

A cheerful girl who loves the stars. She suffers from a terminal illness and has escaped from the hospital to go on the trip. Her star-shaped necklace has only one day's worth of medicine for her condition. Sickness: Autassassinophilia: Sexual arousal derived from fear; the more she's scared, the more she gets turned on. N-cell leukemia sealed her fate. She's destined to die, no matter what. Despite escaping the island, she still dies from the illness. Her real name is Izunase Himea (五津奈瀬 姫亞).

♀ f

A mature Japanese woman who loves Japanese culture. Sickness: Phallophilia: An intense sexual attraction to big penises. After being betrayed, she could no longer trust people. Having both the fear of being touched and an intense attraction to penises made her incredibly lonely, and she decide... read more

A mature Japanese woman who loves Japanese culture. Sickness: Phallophilia: An intense sexual attraction to big penises. After being betrayed, she could no longer trust people. Having both the fear of being touched and an intense attraction to penises made her incredibly lonely, and she decided to commit suicide.

♀ f

A gloomy girl with an oppressive air around her. Sickness: Phygephilia: Sexual arousal derived from "running away". Be it the past, the future, or relationships; the act itself arouses her. By betraying her friend and running away from facing her, she developed Phygephilia and only further defi... read more

A gloomy girl with an oppressive air around her. Sickness: Phygephilia: Sexual arousal derived from "running away". Be it the past, the future, or relationships; the act itself arouses her. By betraying her friend and running away from facing her, she developed Phygephilia and only further defiled her memories of her. She was incredibly lonely and a coward. She decided to commit group suicide because she was afraid of doing it alone. Now that she has allies, she's not afraid to face anything, be it the past or the future.

♂ m

A scientist who worked with Kozue Benika. He's the father of Amashiro Sumera and Amashiro Tagui. He was drugged and manipulated to co... read more

A scientist who worked with Kozue Benika. He's the father of Amashiro Sumera and Amashiro Tagui. He was drugged and manipulated to conduct unethical experiments on his children. Died by Amashiro Sumera's hand, when she tried to kill Kozue Benika.

♀ f

A scientist who worked with Amashiro Takiyasu. She conducted unethical human experiments to further her own career. She's also the one behind the "killing game".